Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6486046 | Method of forming polycrystalline semiconductor film | Shinichi Kawamura | 2002-11-26 |
| 6417854 | Image processing system | Takashi Isowaki, Junichi Yamanaka, Hiroshi Masui, Takeshi Iwasaki, Naotake Nishimura +3 more | 2002-07-09 |
| 6372057 | Steel alloy railway wheels | Taizo Makino | 2002-04-16 |
| 6357297 | Method for preventing shattered-rim fracture in railway wheels | Taizo Makino | 2002-03-19 |